The PRL-8721 and PRL-8731 are right-handed sets of Locking RATIO Calibrated Machine Heads for electric guitars that use 6-in-line tuners. It has a two-pin casing that can be used as is, or with Graph Tech’s Patented InvisoMatch Mounting Plates.
4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.
Features:
- RATIO patented gear technology
- RATIO - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
- From Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1.
- Balanced gear ratios for each string simplifying the tuning process.
- With RATIO, a half-turn is a semi-tone!
- Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.
Specifications
- Gear ratio: unique for each string position - one turn-one tone
- Peg holes diameter required: 13/32" (10mm)
- String post diameter: 0.236" (6mm)
- String post length to string hole: 0.910” (23mm)
- Weight per single machine head: 0.083lbs (38g)
- Weight per set of six: 0.496lbs (225g)
- String diameter: up to 72 gauge
- Includes: 6 machine heads, mounting screws, bushings, and complimentary 4 sets of aluminum mounting plates